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Board index » Various » JSR 380 Bean Validation feedback

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wei725
 Post subject: What is a payload parameter
PostPosted: Tue Oct 06, 2009 1:44 am 
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Joined: Tue Feb 17, 2009 3:36 pm
Posts: 78
I get the following exception. Can someone tell me what a payload parameter is?
Quote:
ax.validation.ConstraintDefinitionException: org.hibernate.validation.constraints.Length contains Constraint annotation, but does not contain a payload parameter.
org.hibernate.validation.metadata.ConstraintHelper.assertPayloadParameterExists(ConstraintHelper.java:319)
org.hibernate.validation.metadata.ConstraintHelper.isConstraintAnnotation(ConstraintHelper.java:282)
org.hibernate.validation.metadata.BeanMetaDataImpl.findConstraintAnnotations(BeanMetaDataImpl.java:346)
org.hibernate.validation.metadata.BeanMetaDataImpl.findConstraints(BeanMetaDataImpl.java:406)
org.hibernate.validation.metadata.BeanMetaDataImpl.initFieldConstraints(BeanMetaDataImpl.java:258)
org.hibernate.validation.metadata.BeanMetaDataImpl.initClass(BeanMetaDataImpl.java:233)
org.hibernate.validation.metadata.BeanMetaDataImpl.createMetaData(BeanMetaDataImpl.java:205)
org.hibernate.validation.metadata.BeanMetaDataImpl.<init>(BeanMetaDataImpl.java:107)
org.hibernate.validation.metadata.BeanMetaDataImpl.<init>(BeanMetaDataImpl.java:97)
org.hibernate.validation.engine.ValidatorImpl.getBeanMetaData(ValidatorImpl.java:724)
org.hibernate.validation.engine.ValidatorImpl.validateInContext(ValidatorImpl.java:204)
org.hibernate.validation.engine.ValidatorImpl.validate(ValidatorImpl.java:119)
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bryan.dollery
 Post subject: Re: What is a payload parameter
PostPosted: Tue Oct 06, 2009 4:18 am 
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Joined: Thu Aug 27, 2009 8:21 am
Posts: 13
Add this code to your annotation and the problem will go away

Code:
public abstract Class<? extends Payload>[] payload() default {};
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wei725
 Post subject: Re: What is a payload parameter
PostPosted: Tue Oct 06, 2009 6:32 pm 
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Regular

Joined: Tue Feb 17, 2009 3:36 pm
Posts: 78
bryan.dollery wrote:
Add this code to your annotation and the problem will go away

Code:
public abstract Class<? extends Payload>[] payload() default {};


I don't follow this one. Let's say a domain class Owner. Do you mean that I need to have something like:
Code:

class Owner {

....
     public abstract Class<Owner extends Payload>[] payload() default {};
....
}
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bryan.dollery
 Post subject: Re: What is a payload parameter
PostPosted: Wed Oct 07, 2009 4:55 am 
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Joined: Thu Aug 27, 2009 8:21 am
Posts: 13
Sorry, my fault for not reading your exception properly. I had assumed that you were writing your own constraint annotations, which is when this problem most frequently occurs (apparently the documented example code is out of date and this line is missing from it -- it's needed in each custom annotation). The code I posted is intended to sit in such an annotation.

What versions of the api and validator are you using?
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wei725
 Post subject: Re: What is a payload parameter
PostPosted: Thu Oct 08, 2009 12:19 am 
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Regular

Joined: Tue Feb 17, 2009 3:36 pm
Posts: 78
bryan.dollery wrote:
Sorry, my fault for not reading your exception properly. I had assumed that you were writing your own constraint annotations, which is when this problem most frequently occurs (apparently the documented example code is out of date and this line is missing from it -- it's needed in each custom annotation). The code I posted is intended to sit in such an annotation.

What versions of the api and validator are you using?


The 4.0 version as the org.hibernate.validation package indicates.
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